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Field-Free Orientation of CO Molecules by Femtosecond Two-Color Laser Fields

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De, S., Znakovskaya, I., Ray, D., Anis, F., Johnson, Nora G., Bocharova, I. A., Magrakvelidze, M., Esry, B. D., Cocke, C. L., Litvinyuk, I. V., Kling, M. F.·2009·Physical Review Letters

Abstract

We report the first experimental observation of nonadiabatic field-free orientation of a heteronuclear diatomic molecule (CO) induced by an intense two-color (800 and 400 nm) femtosecond laser field. We monitor orientation by measuring fragment ion angular distributions after Coulomb explosion with an 800 nm pulse. The orientation of the molecules is controlled by the relative phase of the two-color field. The results are compared to quantum mechanical rigid rotor calculations. The demonstrated method can be applied to study molecular frame dynamics under field-free conditions in conjunction with a variety of spectroscopy methods, such as high-harmonic generation, electron diffraction, and molecular frame photoelectron emission.

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Metadata

Authors
De, S., Znakovskaya, I., Ray, D., Anis, F., Johnson, N. G., Bocharova, I. A., Magrakvelidze, M., Esry, B. D., Cocke, C. L., Litvinyuk, I. V., & Kling, M. F.
Venue
Physical Review Letters
Published
2009-10-05
Volume
103
Issue
15
Pages
153002-153002
ISSN
  • 0031-9007 (ISSN-L)
  • 1079-7114
OpenAlex
W1998426741
Cited by
273
References
14
FWCI
11.71
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Field-Free Orientation of CO Molecules by Femtosecond Two-Color Laser Fields. https://app.cochat.ai/papers/10.1103/physrevlett.103.153002
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De, S., Znakovskaya, I., Ray, D., Anis, F., Johnson, N. G., Bocharova, I. A., Magrakvelidze, M., Esry, B. D., Cocke, C. L., Litvinyuk, I. V., & Kling, M. F. (2009). Field-Free Orientation of CO Molecules by Femtosecond Two-Color Laser Fields. Physical Review Letters. https://doi.org/10.1103/physrevlett.103.153002

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